/* =========================
   Admin Dashboard Styles
   ========================= */

/* General layout */
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f7fa;
  display: flex;
  height: 100vh;
}

/* -------------------------
   Sidebar
------------------------- */
.sidebar {
  width: 240px;
  background-color: #0f172a;
  color: #fff;
  padding: 1.5rem 1rem;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  transform: translateX(0);
  transition: transform 260ms ease;
  z-index: 1000;
}

.sidebar h2 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: #38bdf8;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar ul li {
  margin: 1rem 0;
}

.sidebar ul li a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 1rem;
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: background 0.3s, color 0.3s;
}

.sidebar ul li a:hover {
  background-color: #1e293b;
  color: #ffffff;
}

/* Collapsed sidebar (desktop only) */
.sidebar.sidebar--collapsed {
  transform: translateX(-100%);
}

/* Mobile/tablet overlay sidebar */
.sidebar.sidebar--open {
  transform: translateX(0);
  box-shadow: 2px 0 20px rgba(0,0,0,0.25);
}

/* -------------------------
   Main content
------------------------- */
main {
  margin-left: 240px;
  padding: 2rem;
  width: 100%;
  transition: margin-left 260ms ease, padding 260ms ease;
}

main h1 {
  font-size: 2rem;
  color: #0f172a;
}

/* When sidebar collapsed (desktop), main expands */
.sidebar.sidebar--collapsed ~ main {
  margin-left: 0;
}

/* On mobile/tablet, main never reserves space */
@media (max-width: 1024px) {
  main {
    margin-left: 0;
    padding: 1.25rem;
  }
}

/* -------------------------
   Burger button
------------------------- */
.burger {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1101;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 6px;
}

.burger span {
  height: 3px;
  width: 25px;
  background: #0f172a;
  margin: 4px 0;
  transition: transform 200ms ease, opacity 200ms ease;
  display: block;
}

/* Burger -> X animation */
.burger.burger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger.burger--open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.burger.burger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* -------------------------
   Responsive Sidebar
------------------------- */
@media (max-width: 1024px) {
  .sidebar {
    width: 260px;
    transform: translateX(-100%);
    box-shadow: none;
  }

  .sidebar.sidebar--open {
    transform: translateX(0);
  }
  /* Backdrop for mobile sidebar overlay */
#sidebarBackdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: none;
  z-index: 1100;           /* under burger, under sidebar if you bump its z-index */
}
#sidebarBackdrop.visible { display: block; }

/* Ensure z-order makes sense:
   burger > sidebar > backdrop > page content */
.burger { z-index: 1103; }
.sidebar { z-index: 1102; }
}